PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
29030036-9	2017	Among these pollutants, toluene was identified, at the concentration level of 439ngL-1, in one of the hookah samples while benzene was detectable at much lower level.	Toluene	24-31	leucine rich repeat containing 4C	Homo sapiens	81-86	
18937949-11	2009	The proposed approach provided a very simple and low-cost microextraction alternative rendering adequate limits of quantification, in the low/sub ngL(-1) level, for environmental sample analysis of poly-halogenated toluenes.	Toluene	215-223	leucine rich repeat containing 4C	Homo sapiens	146-152